Function a that prints the average for each student in class

Question

Question:

Function that prints the average for each student in class
#define CLASS_SIZE
struct student{
chair*last-name:
int studrent_id:
char grade:
};
in another file we write
#include"cl_info.h"
int main (void)
{
struct student temp, class[CLASS_SIZE};
.......
assign values to members
temp.grade="A"
temp.last_name="Bushker";
temp.student_id=590017;